A cyclist rides his bike at a rate of

1 answer:

7 0

The rate in miles per hour is: 7.5
First you would multiply 60 by 60 because there is 60 minutes in an hour and 60 seconds in a minute. Then you would multiply by 11 then divide by 5280 because there’s 5280 feet in a mile

In 3 hours they would travel: 22.5 miles
You would multiply 7.5 times 3

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Cheryl solved a problem: 84 ÷ 0.01 = 8,400.

Alexandra [31]

Answer:

Cheryl is correct.

Step-by-step explanation:

Cheryl solved a problem : 84 ÷ 0.01 = 8,400.

This is absolutely right.

When we divide any whole number with the divisor having decimal, we change the divisor to a whole number before performing the division.

To do this, we multiply both the numbers (divisor and dividend) by the same power of 10, until the divisor is a whole number.

$\frac{84\times 10}{0.01\times 10}$ = $\frac{840}{0.1}$